More side missions, rampages, stunt jumps and vehicle purchases
Added a stat for how many seagulls sniped
Removed the multiplayer from the PSP version
The hitmen in the first mission can no longer kill the player
In the mission "Home's on the Range, Jesus has a different colored suit
In the mission "Domo Arigoto Domestoboto", Armando shoots the Domestobot with the Python instead of the Pistol
Planes were made less durable and can explode easier
The hidden developer message on the sign at the stadium now says 11 easter eggs instead of 10
The hidden sign telling you "nothing to see here" was changed telling the player to look in the VCN building instead. The same easter egg from Grand Theft Auto: Vice City (2002) in the VCN building was added and a crane was added inside to show the easter egg was under construction
The stubby shotgun, rocket launcher and grenades have different sound effects. The stubby shotgun reuses the spas sound
Some of the aircraft and motorbike sounds become higher in pitch
A trails option was added
Listening to the radio was added to air ambulance
Gloves were added to the Hired Muscle outfit. They were only visible in cutscenes on PSP
The WinterGreen bike received a bigger windescreen
The rampage for killing bikers with the Mac-10 was moved a little further to a new location
The sniper scope received a green tint
It's easier to see the trash such as leaves and newspapers around the city
Some of the map was changed for the new stunt jumps, such as the construction site and chunder wheel
PS2 has better draw distance, better textures and runs at a higher resolution than the PSP